Struct BTreeMapMut 

pub struct BTreeMapMut<K: Ord, V> { /* private fields */ }

Implementations

impl<K: Ord, V> BTreeMapMut<K, V>

pub fn new() -> BTreeMapMut<K, V>

pub fn insert(&self, key: K, value: V) -> Option<V>

pub fn remove(&self, key: &K) -> Option<V>

pub fn contains_key(&self, key: &K) -> bool

pub fn is_empty(&self) -> bool

pub fn take(&self) -> BTreeMap<K, V>

pub fn map<R>(&self, map_f: impl FnOnce(&BTreeMap<K, V>) -> R) -> R

pub fn change(&self, change_f: impl FnOnce(&mut BTreeMap<K, V>))

pub fn map_and_change<R>( &self, change_f: impl FnOnce(&mut BTreeMap<K, V>) -> R, ) -> R

pub fn get_mut<R, F: FnOnce(&mut V) -> R>( &self, key: &K, callback: F, ) -> Option<R>

impl<K: Ord, V: Clone> BTreeMapMut<K, V>

pub fn get_and_clone(&self, key: &K) -> Option<V>

Trait Implementations

impl<K: Ord, V> Default for BTreeMapMut<K, V>

fn default() -> Self

Returns the “default value” for a type.